A combination can be constituted-of-or-filled-with operators.Logical formLearned from18 sentences. Partnership can be with operators.Logical formLearned from18 sentences. Some percent can be constituted-of-or-filled-with operators.Logical formLearned from18 sentences. An ability may pertain-to an operator.Logical formLearned from18 sentences. A (telephone operator) can be long-distance.Logical formLearned from18 sentences. (File operators) can be dangerous.Logical formLearned from18 sentences. (Pipeline operators) can be hazardous.Logical formLearned from18 sentences. Operators can be male.Logical formLearned from18 sentences. A failure may pertain-to a (mine operator).Logical formLearned from18 sentences. An operator can be mathematical.Logical formLearned from18 sentences. Operators of a company may speak from experience.Logical formLearned from18 sentences. Purchase can be by (tour operators).Logical formLearned from18 sentences. A male may gasp to an operator.Logical formLearned from18 sentences. A hit can be for some operators.Logical formLearned from18 sentences. A (tour operator) may go (bust days).Logical formLearned from18 sentences.